Toxic to dogs · Foods

Is Propylene Glycol toxic to dogs?

Moderate severity

Yes. It can cause real illness — contact your vet if your pet has been exposed.

Symptoms to watch for

  • Poisoning
  • Sensitivity in cats

How vets treat it

Seek immediate veterinary attention if high concentrations or large amounts are ingested; treatment typically involves supportive care and decontamination.

Why it's dangerous

Propylene glycol is a synthetic liquid that absorbs water and can cause poisoning when ingested in large amounts, with cats being particularly sensitive to its effects.

Toxic compound: Propylene glycol

Good to know

Commonly found in 'pet-safe' antifreeze, RV/marine antifreeze, and as a solvent in medications like injectable diazepam. It is no longer allowed in cat foods due to species sensitivity.

Sources

This page is informational and is not veterinary advice. If your pet has been exposed to something risky, contact your vet or an animal poison control line right away.

More substances toxic to dogs

Alcohol Extreme severity Apricot Pits, Seeds, Leaves, and Stems Extreme severity Caffeine Extreme severity Cherry Pits, Seeds, Leaves, and Stems Extreme severity Everything toxic to dogs →

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